102 lines
2.2 KiB
Arduino
102 lines
2.2 KiB
Arduino
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//Based on example code from SEEED studio wiki
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//for 125kHz GROVE RFID reader
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//GPL V3
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/*
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link between the computer and the SoftSerial Shield
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at 9600 bps 8-N-1
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Computer is connected to Hardware UART
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SoftSerial Shield is connected to the Software UART:D2&D3
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*/
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#include <SoftwareSerial.h>
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SoftwareSerial SoftSerial(2, 3);
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unsigned char buffer[64]; // buffer array for data receive over serial port
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String intest=""; //input string
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char buffchar;
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int count = 0; // counter for buffer array
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int led = 13;
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void setup()
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{
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SoftSerial.begin(9600); // the SoftSerial baud rate
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Serial.begin(9600); // the Serial port of Arduino baud rate.
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pinMode(led, OUTPUT);
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digitalWrite(led, LOW);
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}
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void loop()
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{
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// if date is coming from software serial port ==> data is coming from SoftSerial shield
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RFIDread();
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if (intest.equals("5300C59F363F"))
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{
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Serial.println(" match "); // if no data transmission ends, write buffer to hardware serial port
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Serial.println(intest);
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digitalWrite(led, HIGH);
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delay(500);
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digitalWrite(led, LOW);
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delay(500);
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digitalWrite(led, HIGH);
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delay(500);
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digitalWrite(led, LOW);
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delay(500);
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digitalWrite(led, HIGH);
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delay(500);
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digitalWrite(led, LOW);
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intest = "";
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}
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else if (intest.endsWith(""))
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{
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digitalWrite(led, HIGH);
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delay(100);
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digitalWrite(led, LOW);
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delay(100);
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digitalWrite(led, HIGH);
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delay(100);
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digitalWrite(led, LOW);
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delay(100);
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digitalWrite(led, HIGH);
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delay(100);
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digitalWrite(led, LOW);
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delay(100);
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digitalWrite(led, HIGH);
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delay(100);
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digitalWrite(led, LOW);
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Serial.println(intest);
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intest="";
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}
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}
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void RFIDread()
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{
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if (SoftSerial.available())
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{
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while(SoftSerial.available()) // reading data into char array
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{
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buffchar = SoftSerial.read(); // writing data into array
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//Serial.println(int(buffchar));
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intest += buffchar;
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if (int(buffchar)= 3)break;
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//count++;
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// if(buffchar=' ')break;
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}
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}
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}
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void clearBufferArray() // function to clear buffer array
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{
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// clear all index of array with command NULL
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for (int i=0; i<count; i++)
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{
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buffer[i]=NULL;
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}
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intest = "";
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}
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